diff --git a/Modules/FindBoost.cmake b/Modules/FindBoost.cmake
index 501929a42a..cde3738bf8 100644
--- a/Modules/FindBoost.cmake
+++ b/Modules/FindBoost.cmake
@@ -1258,7 +1258,7 @@ if(NOT Boost_INCLUDE_DIR)
     list(APPEND _boost_INCLUDE_SEARCH_DIRS NO_CMAKE_SYSTEM_PATH NO_SYSTEM_ENVIRONMENT_PATH)
   else()
     if("x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xMSVC")
-      foreach(ver ${_Boost_KNOWN_VERSIONS})
+      foreach(ver ${_boost_TEST_VERSIONS})
         string(REPLACE "." "_" ver "${ver}")
         list(APPEND _boost_INCLUDE_SEARCH_DIRS PATHS "C:/local/boost_${ver}")
       endforeach()
@@ -1569,7 +1569,7 @@ foreach(c DEBUG RELEASE)
     if( Boost_NO_SYSTEM_PATHS )
       list(APPEND _boost_LIBRARY_SEARCH_DIRS_${c} NO_CMAKE_SYSTEM_PATH NO_SYSTEM_ENVIRONMENT_PATH)
     else()
-      foreach(ver ${_Boost_KNOWN_VERSIONS})
+      foreach(ver ${_boost_TEST_VERSIONS})
         string(REPLACE "." "_" ver "${ver}")
         _Boost_UPDATE_WINDOWS_LIBRARY_SEARCH_DIRS_WITH_PREBUILT_PATHS(_boost_LIBRARY_SEARCH_DIRS_${c} "C:/local/boost_${ver}")
       endforeach()